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copied!<p>I may be completely off base on my understanding of what you are attempting to accomplish, but I will take a stab at the solution. It sounds like you want a separate log file for each country for which you are processing email. Based on that understanding, here is a possible solution:</p> <ol> <li><p>Set up an appender in your log4j configuration for each country for which you wish to log separately (US example provided):</p> <p>log4j.appender.usfile=org.apache.log4j.FileAppender</p> <p>log4j.appender.usfile.File=us.log</p> <p>log4j.appender.usfile.layout=org.apache.log4j.PatternLayout</p> <p>log4j.appender.usfile.layout.ConversionPattern=%m%n</p></li> <li><p>Create a logger for each country and direct each of them to the appropriate appender (US example provided):</p> <p>log4j.logger.my-us-logger=debug,usfile</p></li> <li><p>In your code, create your Logger based on the country for which the email is being processed:</p> <p>Logger logger = Logger.getLogger("my-us-logger");</p></li> <li><p>Determine how you will accomplish step 3 for the subsequent method calls. You could repeat step 3 in each class/method; or you could modify the method signatures to accept a Logger as input; or you could possibly use <a href="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/ThreadLocal.html" rel="nofollow noreferrer">ThreadLocal</a> to pass the Logger between methods.</p></li> </ol> <p>Extra info: If you do not want the log statements going to parent loggers (e.g. the rootLogger), you can set their additivity flags to false (US example provided):</p> <pre><code>log4j.additivity.my-us-logger=false </code></pre>

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